97032779 has 2 divisors, whose sum is σ = 97032780. Its totient is φ = 97032778.

The previous prime is 97032731. The next prime is 97032809. The reversal of 97032779 is 97723079.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 97032779 - 2¹⁶ = 96967243 is a prime.

It is not a weakly prime, because it can be changed into another prime (97032179) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48516389 + 48516390.

It is an arithmetic number, because the mean of its divisors is an integer number (48516390).

Almost surely, 2^97032779 is an apocalyptic number.

97032779 is a deficient number, since it is larger than the sum of its proper divisors (1).

97032779 is an equidigital number, since it uses as much as digits as its factorization.

97032779 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 166698, while the sum is 44.

The square root of 97032779 is about 9850.5217628306. The cubic root of 97032779 is about 459.5218393027.

The spelling of 97032779 in words is "ninety-seven million, thirty-two thousand, seven hundred seventy-nine".